Bitcoin

Bitcoin is a new electronic payment system that removes the need for third party financial institutions. It speeds up transactions while reducing costs and minimizing the potential for fraud. The name “cryptocurrency” points to how it uses “cryptographic proof” to work, AKA a blockchain.

Bitcoin’s concept was first introduced in 2008 when a person going by the pseudonym Satoshi Nakamoto shared a white paper titled “Bitcoin: A Peer-to-Peer Electronic Cash System.” In January 2009, the Bitcoin blockchain was launched. 

A new electronic payment system called Bitcoin removes the need for third-party financial institutions. It speeds up transactions while reducing costs and fraud-risk. The name “cryptocurrency” points to how it uses “cryptographic proof” to work, AKA a blockchain.   

Bitcoin has a finite supply of 21 million, which is expected to be reached by the year 2140. Currently, 18.8 million are circulating in the market. Note that Bitcoin represents the concept of the network, while bitcoin (lower-case ‘b’) represents the currency.

Bitcoin is one of the most well-known cryptos as it was the first decentralized currency. 

Currently, BTC’s dominance is above 40%. Bitcoin Dominance is a measure of how much of the total market cap of crypto is made up of Bitcoin. Bitcoin’s influence in the crypto ecosystem could be vulnerable to competition as alternative coins grow in popularity and utility.

A close below $67,300 for bitcoin would confirm six straight monthly losses amid ongoing macro pressures.

Downside risk remains as bitcoin nears record-tying six-month losing streak

Google published a paper on March 31 that states that Bitcoin's cryptography could be impacted by quantum computing sooner than previously stated.

Google Finds Quantum Computers Could Break Bitcoin Sooner Than Expected

Bitcoin traded at $66,597 on Tuesday, March 31, 2026, at 8:30 a.m Eastern time, with a market capitalization of $1.33 trillion and a 24-hour volume of $48.8 billion, reflecting active but indecisive participation.

Bitcoin Struggles Under Moving Averages Despite Range-Bound Trade

Google warned that quantum advances could break crypto security sooner than expected, with analysts recommending ‘appropriate urgency.'

Google Quantum Paper Boosts Odds of Bitcoin ‘Q-Day' by 2032, Researchers Warn

Onchain analysts noted that the recipient address had previously transferred bitcoin to investment manager Galaxy Digital.

Bhutan government moves another $25 million in bitcoin as weekly transfers top 1,000 BTC: Arkham

Ethereum

Solana

Interactive Brokers launched crypto trading for eligible EEA investors, offering 11 cryptocurrencies alongside stocks and futures.

Interactive Brokers launches crypto trading in EEA, including BTC, ETH, SOL and XRP

Bitcoin held $66,000 as Trump reportedly pivoted to an Iran war exit, with analysts eyeing $90,000 if a potential de-escalation holds.

Bitcoin Holds $66K as Trump Prioritizes Iran War Exit Over Reopening Hormuz

Bitcoin has struggled so far into U.S. president Donald Trump's second term, though that could be about to change.

‘It's Happening'—Elon Musk Sparks Wild Bitcoin Price Speculation After Trump Declares ‘Crypto Revolution'

Bitcoin floats just above $66,000 as geopolitical risks, macro uncertainty, and low liquidity keep price action range-bound ahead of Q2.

Bitcoin flirts with $66K as geopolitical tensions, macro uncertainty keep market range-bound

Google's finding that breaking bitcoin's cryptography requires 20x fewer qubits than previously estimated has triggered the strongest industry response to quantum threats since the Willow chip in 2024. Here's how builders, investors, and researchers are reacting.

Bitcoin bulls scramble for post-quantum protection as Google drops bombshell paper

Bitcoin's (BTC) price has fallen below the moving average lines but remains above the $65,000 support level.

Coinidol.com: Bitcoin Slumps Below the $68,000 Barrier

If macro worries tied to the Iran conflict weren't enough, new research has revived what might be seen as an existential threat to bitcoin BTC$66,436.28, quantum computing.

Quantum risk resurfaces at the worst time for bitcoin, but 1 token is loving it

Zcash

Kieran Dennis, co-founder of Z and an initial contributor to Core, claims Z is the first attempt to bring native EVM capabilities to Zcash.

Core Foundation franchises Satoshi Plus bitcoin consensus model for new Zcash scaling layer

Block Inc. (NYSE:XYZ) shares were trading higher in the pre-market session on Tuesday after its Square point-of-sale system rolled out automatic Bitcoin (CRYPTO: BTC) payments for eligible merchants in the U.S. Square Announces Automatic Bitcoin To Fiat Feature Square said in a X post that the new feature will allow sellers to accept Bitcoin payments that convert “instantly” to cash at checkout, without any additional setup. Square added that there will be no processing fees for these transactions until 2026.

Block Shares Rise 4% Pre-Market As Square Introduces Automatic Bitcoin Payments For Merchants With No Processing Fees

Nakamoto Inc. sold 284 bitcoin in March 2026 for roughly $20 million to cover operating costs tied to its recent acquisitions and short-term liquidity needs. Nakamoto Inc.

David Bailey's Nasdaq-Listed Bitcoin Firm Nakamoto Sells 284 BTC Below Cost Basis

The sale underscores liquidity pressures as the company continues its pivot to a bitcoin treasury strategy.

David Bailey's Nakamoto sells roughly 5% of its bitcoin holdings, offloading 284 BTC

Block, Inc. subsidiary Square is launching a feature that automatically allows millions of eligible merchants across the United States to accept bitcoin payments starting March 30, 2026. Bitcoin Product Lead Miles Suter at Block, Inc. announces that eligible domestic sellers will now have bitcoin ( BTC) payments enabled by default.

Square Enables Automatic Bitcoin Payment Acceptance for Eligible US Sellers

Google Research said the necessary resources for quantum computers to break cryptocurrencies have seen a 20-fold reduction.

Google warns quantum computing may break bitcoin earlier than thought, prepares 2029 transition

Crypto prices are volatile to start the week after US President Donald Trump once again claimed progress in peace talks with Iran. Trump's message, posted on his platform Truth Social, was also packaged with a threat.

Bitcoin and Ethereum React As Trump Again Claims ‘Great Progress' in Talks With Iran

Rising U.S. real yields, especially on 10-year TIPS, pose a headwind to zero-yielding risk assets like bitcoin.

Bitcoin demand falters as 'real' interest rates surge

Equity futures rallied and oil erased gains on the report, but the S&P 500 is on its longest losing streak since 2022 and MSCI Asia Pacific is heading for its worst month since 2008.

Bitcoin holds $67,500 as Trump signals he may end Iran war with Hormuz still shut

The company said it plans to use the proceeds to invest in its core businesses and replenish working capital following recent mergers.

Bitcoin treasury firm Nakamoto sells $20 million in BTC at 40% loss

The findings suggest attackers could one day steal bitcoin mid-transaction, challenging assumptions that the threat is decades away.

Breaking Bitcoin with quantum may be easier than thought, with Taproot partly to blame, Google says

Dogecoin

Leading cryptocurrencies lifted on Monday, while major stocks closed lower as investors parsed President Donald Trump's latest hints on a potential Iran ceasefire.

Bitcoin, Ethereum Rally, While XRP, Dogecoin Flat Amid Trump's 'Serious' Iran Discussions: Analyst Says 'Ideal' Time To Buy Larger BTC Positions

Strategy reported no bitcoin purchases or equity sales in its latest SEC filing, reinforcing disciplined capital management while maintaining a massive crypto position and spotlighting high-yield, low- volatility instruments within its treasury strategy. Strategy Bitcoin Holdings and SEC Filing Activity Pause Strategy Inc. filed Form 8-K with the U.S.

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